Is Solar Worth It in California in 2026?
Complete analysis of solar costs, incentives, net metering, and payback for California homeowners — without the federal ITC.
Cost Per Watt
$3.80
installed
Electricity Rate
$0.134
per kWh
Payback (No ITC)
20.2 yr
current reality
Payback (With 30% ITC)
14.1 yr
hypothetical
25-Year ROI
24%
return on investment
Incentive Breakdown — California
Available incentives for a typical 7kW residential solar system in California
Federal ITC (25D)
ExpiredThe federal solar Investment Tax Credit expired on January 1, 2026. No federal credit available for new installations.
State Tax Credit
NoneCalifornia does not offer a state tax credit for solar installations.
SREC Market
Not AvailableCalifornia does not have a traditional SREC market.
Property Tax Exemption
Solar system value excluded from property tax assessment
Sales Tax Exemption
No statewide sales tax exemption for solar
Low-Income Program
AvailableCalifornia offers programs to help low-income households access solar energy.
Key Incentives: Property tax exemption for solar; Low-income solar program available.
Solar Math — With vs Without Federal ITC
Cost breakdown for a typical 7kW residential system in California
2026 Reality (No Federal ITC)
- System Size
- 7 kW
- Cost per Watt
- $3.80/W
- Gross Cost
- $26,600
- Federal ITC
- $0
- Net Cost
- $26,600
- Annual Savings
- $1,318/yr
- Payback Period
- 20.2 years
Hypothetical (With 30% ITC)
- System Size
- 7 kW
- Cost per Watt
- $3.80/W
- Gross Cost
- $26,600
- Federal ITC (30%)
- -$7,980
- Net Cost
- $18,620
- Annual Savings
- $1,318/yr
- Payback Period
- 14.1 years
Impact: Without the federal ITC, California homeowners face a 6.1-year longer payback period — paying $7,980 more out of pocket.
Net Metering Policy — California
How California compensates your excess solar production
Significantly reduced export credits — substantially longer payback. Battery storage highly recommended.
NEM 3.0 (Net Billing Tariff) provides reduced export rates. Existing NEM 2.0 grandfathered systems retain full retail for 20 years.
Cost Per Watt Benchmark — California
California Average
$3.80/W
National Average
$3.05/W
Typical 7kW System
$26,600
California's average installed cost is above the national average of $3.05/W
Breakeven Timeline
Without the federal ITC, a typical 7kW system in California breaks even in 20.2 years. With the former 30% ITC, payback would drop to 14.1 years.
Without Federal ITC
20.2
years to break even
With Former 30% ITC
14.1
years to break even
Production Details
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